Method and apparatus for recurrent auto-encoding
a technology of auto-encoding and recurrent encoding, applied in the field of signal encoding, can solve the problem of reducing the audio quality of the corresponding decoded signal
Active Publication Date: 2021-03-25
QUALCOMM INC
View PDF6 Cites 1 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Benefits of technology
The present patent is about a device and method for signal encoding. The device includes one or more processors that receive a sequence of input data, including first and second input data. The processors generate first output data based on the first input data and a representation of the first input data. They also generate second output data based on the second input data and the representation of the first input data. The first and second output data are sent to a transmission medium or storage medium. The method includes the steps of generating the representation of the input data based on the prior input data and the state of the decoder portion resulting from the representation of the prior input data. The technical effect of this patent is to provide a more efficient and effective way to encode signals.
Problems solved by technology
However, encoding of the audio signal to achieve a lower bit-rate can result in reduced audio quality of a corresponding decoded signal.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0019]Devices and methods to perform signal encoding are described. In a particular example, a recurrent autoencoder architecture, referred to as a feedback recurrent autoencoder (“FRAE”), is described with application to the compression of sequential data with temporal correlation. The recurrent structure of FRAE is configured to efficiently extract the redundancy embedded along the time-dimension of sequential data and enable compact discrete representation of the data at the bottleneck in a sequential fashion.
[0020]In a particular example, an audio signal corresponds to a temporally correlated signal x={x1, x2, . . . , xt, . . . }, for which xt is referred to as signal x in time frame t. An autoencoder includes an encoder portion and a decoder portion. The encoder portion includes a first neural network and a quantizer. The decoder portion includes a second neural network. A simple architecture of an autoencoder follows a forward-only design that treats each data point xt indepen...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
A device includes one or more processors configured to generate, at an encoder portion of an autoencoder, first output data at least partially based on first input data and to generate, at a decoder portion or the autoencoder, a representation of the first input data at least partially based on the first output data. The one or more processors are configured to generate, at the encoder portion, second output data based on second input data and first state data and to generate, at the decoder portion, a representation of the second input data based on the second output data and second state data. Each of the first state data and the second state data correspond to the state of the decoder portion resulting from generation of the representation of the first input data. The first and second input data correspond to sequential values of a signal to be encoded.
Description
I. CROSS-REFERENCE TO RELATED APPLICATIONS[0001]The present application claims priority from Provisional Patent Application No. 62 / 906,013, filed Sep. 25, 2019, entitled “METHOD AND APPARATUS FOR RECURRENT AUTO-ENCODING,” and from Provisional Patent Application No. 62 / 923,365, filed Oct. 18, 2019, entitled “METHOD AND APPARATUS FOR RECURRENT AUTO-ENCODING,” the content of each of which is incorporated by reference in its entirety.II. FIELD[0002]The present disclosure is generally related to signal encoding.III. DESCRIPTION OF RELATED ART[0003]Advances in technology have resulted in smaller and more powerful computing devices. For example, there currently exist a variety of portable personal computing devices, including wireless telephones such as mobile and smart phones, tablets and laptop computers that are small, lightweight, and easily carried by users. These devices can communicate voice and data packets over wireless networks. Further, many such devices incorporate additional f...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More IPC IPC(8): G06N3/04G06F3/16
CPCG06N3/049G06F3/167G06N3/0445G06N3/0454G06F3/162G10L25/30G10L19/173G10L19/04G06N3/08G06N3/063G06N3/044G06N3/045
Inventor YANG, YANGSAUTIÈRE, GUILLAUME KONRADRYU, JONGHACOHEN, TACO SEBASTIAAN
Owner QUALCOMM INC